https://vk.com/rtrg?p=VK-RTRG-520044-9w6bu" style="position:fixed; left:-999px;" alt=""/>

SVEN BF-31

SVEN BF-31

Short product description:

  • Built-in dual-channel non-capacitive amplifier
  • ...
  • Built-in transformer power supply with a powerful surge prot...
  • Hypersensitive silk tweeters
All features
Similar products
SVEN SB-G1450
SVEN SB-G1400
SVEN MC-50
SVEN MC-30
SVEN MC-20
SVEN MC-10
SVEN MC-5
SVEN SPS-830
SVEN SPS-730
SVEN SPS-725
SVEN SPS-705
SVEN SPS-702
SVEN SPS-621
SVEN SPS-619 GOLD
SVEN SPS-619
SVEN SPS-614
SVEN SPS-612
SVEN SPS-606
SVEN SPS-604
SVEN SPS-603
SVEN SPS-585
SVEN SPS-580
SVEN SPS-576
SVEN SPS-575
SVEN SPS-565
SVEN SPS-535
SVEN SPS-517
SVEN SPS-512
SVEN SPS-509
SVEN 470
SVEN 450
SVEN 445
SVEN 431
SVEN 422
SVEN 370
SVEN 357
SVEN 340
SVEN 335
SVEN 325
SVEN 320
SVEN 318
SVEN 315
SVEN 312
SVEN 300
SVEN 255
SVEN 248
SVEN 230
SVEN 225
SVEN 190
SVEN 150
SVEN 135
SVEN 130
SVEN 120
  • FEATURES
  • SPECIFICATIONS
  • DESCRIPTION
  • UNBOXING VIDEO
  • SUPPORT

    • Built-in dual-channel non-capacitive amplifier
    • Built-in transformer power supply with a powerful surge protector and improved temperature control
    • Hypersensitive silk tweeters
    • Hi-Fi jacks
    • Power LED
    • Stereo input for connection to various audio devices
    • Active subwoofer output
    • Front-mounted phase inverter
    • Volume control and timbre control
    • Magnetic shielding
    • MDF case of speakers   

Output power (RMS), W 50 (2 × 25)
Frequency range, Hz 35 – 20,000
Tweeter diameter, mm Ø 25
Woofer diameter, mm 2 × Ø 100
Tweeter adjustment, dB ± 10
Bass adjustment, dB ± 10
Magnetic shielding yes
Channel separation, dB ≥ 45
Power supply ~220 V / 50 Hz
Case material wood (MDF)
Dimensions (W × H × D), mm 150 × 460 × 232
Weight, kg 11
Color beech, black, silver, oak
Life time 5 years

Other items

Backlit gaming speaker system, Bluetooth, USB/SD player, FM radio, display, remote control

Multifunctional speaker system with Bluetooth, USB player, FM radio, display, remote control

Wired keyboard

New

Waterproof portable speaker with backlight

Line interactive UPS, 240W, 2 sockets

Portable speaker with backlight

New

Portable speaker with Bluetooth, karaoke and RGB backlight

Backlit mechanical gaming keyboard

Portable radio with LED display and two alarm clocks

Fabric mouse pad with rubber backing

TWS in-ear earbuds with microphone

Party speaker system with Bluetooth, karaoke and FM radio

News

06/18/2025

SVEN SB-G1450 GAMING SPEAKERS — A STEREO PAIR AND A SOUNDBAR IN ONE DEVICE

Our range includes several options for acoustics — both in the format of speakers 2.0 and in the form of soundbars. Each of the options has its own advantages: the speakers can be neatly placed on the sides of the monitor and the soundbar can be conveniently installed directly under the screen.

Details >>
05/06/2025

SVEN VR-F600 AUTOMATIC VOLTAGE REGULATOR — FULL POWER SAFETY CONFIDENCE

SVEN automatic voltage regulators range is well known to users seeking for truly high-quality and reliable protection of electrical appliances as comfortable as possible and without excessive costs.

Details >>
04/17/2025

SVEN SF-10E-16 EXTENSION SURGE PROTECTOR — SAFE CONNECTION OF UP TO TEN DEVICES

The main thing that is interesting about SVEN SF-10E-16 is, undoubtedly, the safe and convenient connection of up to 10 devices at once, and with a solid total power.

Details >>

SVEN BF-31 two-way multimedia stereo system is an excellent choice for connoisseurs of high quality stereo sound. The system provides clear sound with intensive bass, high volume level, which is achieved due to good power specifications. The MSS has a subwoofer output.

Other items

Line interactive UPS with LCD, 390W, 2 sockets, USB

Multifunctional speaker system with Bluetooth, USB/SD player, FM radio, display, remote control

Wired keyboard

Wired mouse

Multifunctional portable karaoke speaker system with backlight

New

Relay automatic voltage regulator, 200 W, 2 sockets

Speaker system with illuminated volume control

Gaming headset with RGB backlight

Wired keyboard with 2 USB ports

Wired in-ear earbuds with microphone

Wired mouse

Gaming mouse

News

06/18/2025

SVEN SB-G1450 GAMING SPEAKERS — A STEREO PAIR AND A SOUNDBAR IN ONE DEVICE

Our range includes several options for acoustics — both in the format of speakers 2.0 and in the form of soundbars. Each of the options has its own advantages: the speakers can be neatly placed on the sides of the monitor and the soundbar can be conveniently installed directly under the screen.

Details >>
05/06/2025

SVEN VR-F600 AUTOMATIC VOLTAGE REGULATOR — FULL POWER SAFETY CONFIDENCE

SVEN automatic voltage regulators range is well known to users seeking for truly high-quality and reliable protection of electrical appliances as comfortable as possible and without excessive costs.

Details >>
04/17/2025

SVEN SF-10E-16 EXTENSION SURGE PROTECTOR — SAFE CONNECTION OF UP TO TEN DEVICES

The main thing that is interesting about SVEN SF-10E-16 is, undoubtedly, the safe and convenient connection of up to 10 devices at once, and with a solid total power.

Details >>

Other items

Soundbar for TV

Wired in-ear earbuds

8 sockets surge protector, 3680 W

Gaming headset with RGB light

Wired mouse with side navigation buttons

Web camera with manual focus adjustment

Portable radio with LED display and two alarm clocks

Wired mouse with side navigation buttons

Wireless mouse with adjustable cursor speed

Wireless keyboard

Web camera with manual focus adjustment

Backlit gaming keyboard

News

06/18/2025

SVEN SB-G1450 GAMING SPEAKERS — A STEREO PAIR AND A SOUNDBAR IN ONE DEVICE

Our range includes several options for acoustics — both in the format of speakers 2.0 and in the form of soundbars. Each of the options has its own advantages: the speakers can be neatly placed on the sides of the monitor and the soundbar can be conveniently installed directly under the screen.

Details >>
05/06/2025

SVEN VR-F600 AUTOMATIC VOLTAGE REGULATOR — FULL POWER SAFETY CONFIDENCE

SVEN automatic voltage regulators range is well known to users seeking for truly high-quality and reliable protection of electrical appliances as comfortable as possible and without excessive costs.

Details >>
04/17/2025

SVEN SF-10E-16 EXTENSION SURGE PROTECTOR — SAFE CONNECTION OF UP TO TEN DEVICES

The main thing that is interesting about SVEN SF-10E-16 is, undoubtedly, the safe and convenient connection of up to 10 devices at once, and with a solid total power.

Details >>

Other items

Desktop wired microphone

Wireless keyboard

Gaming set: keyboard + mouse + mousepad

Portable radio, USB/microSD/SD player

Line interactive UPS with LCD, 390W, 2 sockets, USB

Backlit wired keyboard

Microfiber mouse pad with rubber backing

Wireless mouse with adjustable cursor speed

Relay automatic voltage regulator, 320 W, 2 sockets

USB powered speakers with RGB backlight

On-ear wired headset

Wired clip-on microphone

News

06/18/2025

SVEN SB-G1450 GAMING SPEAKERS — A STEREO PAIR AND A SOUNDBAR IN ONE DEVICE

Our range includes several options for acoustics — both in the format of speakers 2.0 and in the form of soundbars. Each of the options has its own advantages: the speakers can be neatly placed on the sides of the monitor and the soundbar can be conveniently installed directly under the screen.

Details >>
05/06/2025

SVEN VR-F600 AUTOMATIC VOLTAGE REGULATOR — FULL POWER SAFETY CONFIDENCE

SVEN automatic voltage regulators range is well known to users seeking for truly high-quality and reliable protection of electrical appliances as comfortable as possible and without excessive costs.

Details >>
04/17/2025

SVEN SF-10E-16 EXTENSION SURGE PROTECTOR — SAFE CONNECTION OF UP TO TEN DEVICES

The main thing that is interesting about SVEN SF-10E-16 is, undoubtedly, the safe and convenient connection of up to 10 devices at once, and with a solid total power.

Details >>